How Much Upside Is Left In Regeneron Stock?
Regeneron Pharmaceuticals (REGN) stock returned 37.9% in the year to October 16, 2026. This easily outpaced the 16.2% gain for the S&P 500 and left investors looking at a higher price. The underlying business has grown faster lately, yet its operating margin has slipped in each of the past three years. If you buy or […]